<template>
	<view class="content">
		<image v-bind:class="className" src="/static/logo.png"></image>
		<view class="text-area">
			<text class="title" v-on:click="open">{{title}}</text>
		</view>
		<view>{{ number + 1 }}</view>
		<view>{{ ok ? 'Yes' : 'No' }}</view>
		<view>{{ message.split('').reverse().join('')}}</view>
		<button @click="handleClick('参数1')">按钮1</button>
		<button @click="handleClick(dynamicParam)">按钮2</button>
		<button @click="handleClick('参数A', '参数B',$event)">按钮3</button>
		<button @click="(e) => handleButton('点击事件', e)">带事件对象</button>
		<view class="modelclass">
			<input v-model="message" placeholder="edit me">
			<<text>Message is:{{ message }}</text>
		</view>
		<image class="logo" v-on:click="change" src="/static/logo.png"></image>
		<view v-if="!raining">今天天气真好</view>
		<view v-if="raining">下雨天，只能在家呆着了</view>
		<view v-if="state === 'vue'">state的值是 Vue</view>
		<view>State is {{state === 'vue' ? 'vue' : 'APP'}}</view>
		<view>
			<view v-if="state === 'vue'">uni-app</view>
			<view v-else-if="state === 'html'">HTML</view>
			<view v-else>APP</view>
		</view>
		<view v-for="item in arr" style="color: #ff0000;">
			{{item}}
		</view>
		<view v-for="(item,index) in 4" style="color: #00ff00;">
			<view :class="'list-' + index%2">{{index%2}}</view>
		</view>
		<view v-for="(value, name, index) in object">
			{{ index }}. {{ name }}: {{ value }}
		</view>
		<view v-for="item in arr" :key="item.id">
			<view style="color: #0000ff;">{{item.id}}:{{item.name}}</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				title: 'Hello UniApp',
				number: 1,
				ok: true,
				message: 'Hello Vue!',
				className: "smalllogo",
				dynamicParam: "我是动态参数",
				message: "",
				raining: false,
				state: 'vue',
				arr:[
					{id:1,name:'uni-app'},
					{id:2,name:'HTML'}
				],
				object:{
					title:'How to lists in Vue',
					author:'Jane Doe',
					publishedAt:'2020-04-10'
				}
			}
		},
		methods: {
			open() {
				this.title = "opening a new Page";
				this.className = "logo"
			},
			handleClick(param1, param2, event) {
				console.log("参数1:", param1)
				console.log("参数2:", param2)
				console.log("事件对象:", event)
			},
			handleButton(msg, event) {
				console.log('接收的消息:', msg)
				console.log('事件对象:', event)
				console.log('按钮文本:', event.target.textContent)
			}
		}
	}
</script>

<style>
	.content {
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
	}

	.logo {
		height: 200rpx;
		width: 200rpx;
		margin-top: 200rpx;
		margin-left: auto;
		margin-right: auto;
		margin-bottom: 50rpx;
	}

	.text-area {
		display: flex;
		justify-content: center;
	}

	.title {
		font-size: 36rpx;
		color: #8f8f94;
	}

	.smalllogo {
		height: 50rpx;
		width: 50rpx;
		margin-top: 200rpx;
		margin-left: auto;
		margin-right: auto;
		margin-bottom: 50rpx;
	}
</style>